Analysis

  • max time kernel
    145s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2023, 03:14

General

  • Target

    82045004321164546.doc

  • Size

    528.3MB

  • MD5

    6692ccaeebf524525a4eb6de89f6dbc7

  • SHA1

    8b350b5c2cf9ee551513218f2255eec461558048

  • SHA256

    31ef5f1afc2dd841040db0adbb87b093973173aa58c3cbe76235ec29f1f609ad

  • SHA512

    db0af266aa622b8ee855a9ec64d4d1619243980d018370a415672981387ddcac1ad3e6dd53a5be35dbdd58bc55d4cea2a7742aa229e2511a09a2471aaa5522b1

  • SSDEEP

    6144:xPn4VZXbatu7MDogsDkHS50LdfcGcbz1f5M9KTFrMpSlMK3Ru+Q28:xP4PbNMkgg3Ru+x

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

129.232.188.93:443

164.90.222.65:443

159.65.88.10:8080

172.105.226.75:8080

115.68.227.76:8080

187.63.160.88:80

169.57.156.166:8080

185.4.135.165:8080

153.126.146.25:7080

197.242.150.244:8080

139.59.126.41:443

186.194.240.217:443

103.132.242.26:8080

206.189.28.199:8080

163.44.196.120:8080

95.217.221.146:8080

159.89.202.34:443

119.59.103.152:8080

183.111.227.137:8080

201.94.166.162:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\82045004321164546.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\041450.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2060
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\XjiGCTT\KTlGhUDmHbghChLY.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1076

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\041450.tmp

          Filesize

          531.7MB

          MD5

          4e7c0febeab7b8257bb5a9a5b41964be

          SHA1

          e113c92df1a8666abd66330a9eb95c8544137db7

          SHA256

          c070bf966a8d0e9a473685e67bf3091ddda302eb9a54425727a325554aa35ed4

          SHA512

          8761395868d23e267bc9f9237698461bede93f8f89c12589662bd996fd1dacab96636998c7e72729f882faac6df12e1640f2e8375c7a66b45668f93f0708c882

        • C:\Users\Admin\AppData\Local\Temp\041450.tmp

          Filesize

          531.7MB

          MD5

          4e7c0febeab7b8257bb5a9a5b41964be

          SHA1

          e113c92df1a8666abd66330a9eb95c8544137db7

          SHA256

          c070bf966a8d0e9a473685e67bf3091ddda302eb9a54425727a325554aa35ed4

          SHA512

          8761395868d23e267bc9f9237698461bede93f8f89c12589662bd996fd1dacab96636998c7e72729f882faac6df12e1640f2e8375c7a66b45668f93f0708c882

        • C:\Users\Admin\AppData\Local\Temp\041452.zip

          Filesize

          867KB

          MD5

          04841567d303b897660134f8db50a4e6

          SHA1

          dbdd9eb1e160fbd9a91acadfad738dc456a79621

          SHA256

          ad9b12a5471edf6180c452dcc70156d505ea049f1173175234a9b246c2672438

          SHA512

          3d9be2c4c2233941198ffa809b07c06876bace9a0075aea29d9750d73b0c5a7cfe88e890ad1cfbb8c593ada99eda4c49f27e2f2724d85c9317fd4b17fc0c318d

        • C:\Windows\System32\XjiGCTT\KTlGhUDmHbghChLY.dll

          Filesize

          531.7MB

          MD5

          4e7c0febeab7b8257bb5a9a5b41964be

          SHA1

          e113c92df1a8666abd66330a9eb95c8544137db7

          SHA256

          c070bf966a8d0e9a473685e67bf3091ddda302eb9a54425727a325554aa35ed4

          SHA512

          8761395868d23e267bc9f9237698461bede93f8f89c12589662bd996fd1dacab96636998c7e72729f882faac6df12e1640f2e8375c7a66b45668f93f0708c882

        • memory/1076-188-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/2060-180-0x0000000002350000-0x0000000002351000-memory.dmp

          Filesize

          4KB

        • memory/2060-179-0x0000000180000000-0x000000018002D000-memory.dmp

          Filesize

          180KB

        • memory/3212-139-0x00007FF88EC90000-0x00007FF88ECA0000-memory.dmp

          Filesize

          64KB

        • memory/3212-136-0x00007FF8912D0000-0x00007FF8912E0000-memory.dmp

          Filesize

          64KB

        • memory/3212-134-0x00007FF8912D0000-0x00007FF8912E0000-memory.dmp

          Filesize

          64KB

        • memory/3212-137-0x00007FF8912D0000-0x00007FF8912E0000-memory.dmp

          Filesize

          64KB

        • memory/3212-135-0x00007FF8912D0000-0x00007FF8912E0000-memory.dmp

          Filesize

          64KB

        • memory/3212-133-0x00007FF8912D0000-0x00007FF8912E0000-memory.dmp

          Filesize

          64KB

        • memory/3212-138-0x00007FF88EC90000-0x00007FF88ECA0000-memory.dmp

          Filesize

          64KB

        • memory/3212-214-0x00007FF8912D0000-0x00007FF8912E0000-memory.dmp

          Filesize

          64KB

        • memory/3212-215-0x00007FF8912D0000-0x00007FF8912E0000-memory.dmp

          Filesize

          64KB

        • memory/3212-217-0x00007FF8912D0000-0x00007FF8912E0000-memory.dmp

          Filesize

          64KB

        • memory/3212-216-0x00007FF8912D0000-0x00007FF8912E0000-memory.dmp

          Filesize

          64KB